New Mineral Named After GIA’s John Koivula
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 Post subject: Emerald or Quartz?
PostPosted: Tue Jul 03, 2012 6:43 am 
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I am really confused about that stone. It ıs really greenısh ınsıde when ı hold towards sun.


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 Post subject: Re: Emerald or Quartz?
PostPosted: Tue Jul 03, 2012 2:06 pm 
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It's impossible to tell from the pics what it is, You need to do optical tests. But I'm pretty sure it ain't an emerald. Not saying it can't be beryl but it's not emerald...(emeralds are green) On my monitor there is nothing green on your pictures


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 Post subject: Re: Emerald or Quartz?
PostPosted: Thu Jul 05, 2012 6:07 am 
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Frank wrote:
It's impossible to tell from the pics what it is, You need to do optical tests. But I'm pretty sure it ain't an emerald. Not saying it can't be beryl but it's not emerald...(emeralds are green) On my monitor there is nothing green on your pictures


Stone ıs really bıg I don't thınk I am able to take ın USA.

Is there any place ın Turkey (Izmır) I can take ıt for optıcal test.


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 Post subject: Re: Emerald or Quartz?
PostPosted: Fri Jul 06, 2012 5:40 am 
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the picture is small and I can't enlarge it so I'm not completely sure of what I'm seeing, but it seems there are neat cleavages on the second picture which would mean that the stone can't be beryl nor quartz


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 Post subject: Re: Emerald or Quartz?
PostPosted: Fri Jul 06, 2012 10:26 am 
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Perhaps you should try contacting the geology department at one of the universities in Izmır and ask if someone could help you identify your unknown mineral.
I bet they would.


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 Post subject: Re: Emerald or Quartz?
PostPosted: Tue Jul 10, 2012 8:43 am 
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More clear pıcs.


http://imageshack.us/photo/my-images/515/cayan7021.jpg/

http://imageshack.us/photo/my-images/15/cayan7002.jpg/

http://imageshack.us/photo/my-images/151/cayan7018.jpg/

http://imageshack.us/photo/my-images/821/cayan7006.jpg/

http://imageshack.us/photo/my-images/338/cayan7013.jpg/

http://imageshack.us/photo/my-images/26/cayan7010.jpg/

http://imageshack.us/photo/my-images/36/cayan7023.jpg/

http://imageshack.us/photo/my-images/29/cayan7022.jpg/


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 Post subject: Re: Emerald or Quartz?
PostPosted: Tue Jul 10, 2012 10:45 am 
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Those pics do help. That is part of a quartz crystal. Definitely. Big 'ole smokey...


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 Post subject: Re: Emerald or Quartz?
PostPosted: Wed Jul 11, 2012 4:16 am 
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yes, agree with Tim, Dark Smokey Quartz.

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 Post subject: Re: Emerald or Quartz?
PostPosted: Mon Jul 16, 2012 10:14 am 
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Great post Tim and Osman. I agree!

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 Post subject: Re: Emerald or Quartz?
PostPosted: Wed Sep 05, 2012 11:23 pm 
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oh my that must have been one LARGE crystal originally :shock:


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 Post subject: Re: Emerald or Quartz?
PostPosted: Wed Sep 26, 2012 1:00 pm 
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Hi to everybody! :lol:
Ok there are several possibilities about this specimen: quartz, emerald, tourmaline... a greenish reflect makes me too exclude the variety emerald (not the mineral beryl). Then it could also be a diaspore, sometimes it appear this dark and almost smoky colour and this cleavage, even with the greenish reflect you quoted now.
Greetings from Italy :smt002 by Riccardo.


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 Post subject: Re: Emerald or Quartz?
PostPosted: Wed Sep 26, 2012 4:50 pm 
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It's quartz, dude. Study your surface characteristics...


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 Post subject: Re: Emerald or Quartz?
PostPosted: Wed Sep 26, 2012 9:24 pm 
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While it isn't exactly possible to make a 100% certain identification of a specimen just from a photo, I would bet 100 bucks that it's quartz without hesitation.

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